Sharing a request with yourself shows a misleading error message

[sebbi08]

Readiness checklist

• I added/updated tests.
• I ensured that the PR title is good enough for the changelog.
• I labeled the PR.

Description

The error used to be: "There is no relationship to x".

[codecov]

Codecov Report

Attention: Patch coverage is 77.77778% with 2 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
...es/requests/outgoing/OutgoingRequestsController.ts	60.00%	2 Missing ⚠️

Files with missing lines	Coverage Δ
...nsumption/src/consumption/ConsumptionCoreErrors.ts	80.34% <100.00%> (+0.22%)	⬆️
...es/requests/outgoing/OutgoingRequestsController.ts	83.49% <60.00%> (-0.29%)	⬇️

[Milena-Czierlinski]

Also, if you want to be thorough you could add a test for this. ;)

[jkoenig134]

I am missing a test here.